Teburan gyare-gyaren walda suna canza yadda masu ƙirƙira ke riƙe, gano wuri, da maimaita sassa-babu matse ido, babu sake yin aiki daga drift. Mun ga shagunan sun yanke lokacin saitin da kashi 65% bayan sun canza daga jigs na al'ada zuwa na zamani teburin waldi tsarin. Abokin ciniki ɗaya a Changzhou ya welded iri ɗaya firam ɗin chassis na tsawon shekaru uku ta amfani da farantin tushe guda ɗaya da kayan aiki masu musanyawa - karkacewar girman girman sifili a cikin raka'a 12,000.
Me yasa maimaitawa ke farawa daga tebur - ba walda ba
Yawancin kurakuran walda suna farawa kafin baka ya fado. Wani sashi yana canzawa 0.3 mm yayin ƙugiya. Muƙamuƙi na vise yana sawa ba daidai ba. Filayen ƙasa yana rasa kwanciyar hankali bayan zagayowar zafi biyar. Waɗannan ba "kurakurai masu aiki bane." Su ne gazawar tsarin-kuma suna haɗuwa tare da kowane haɗin gwiwa.
A gaskiya teburin waldi warware wannan a kafuwar. Ba kawai farantin karfe da ramuka ba. Yana da tsarin daidaitawa wanda aka kafa zuwa juriya na ISO 2768-mK, tare da ramukan T-ramuka a madaidaiciyar tazara na 50-mm, saman saman saman (HRC 58-62), da ƙarfin ɗaukar nauyi wanda aka tabbatar da DIN 53404. Muna gwada kowane tebur a ƙarƙashin ƙimar 300% mai tsayi kafin jigilar kaya. Wannan yana nufin tebur mai nauyin kilogiram 1,200 yana riƙe da kilogiram 3,600 ba tare da jujjuyawar aunawa ba.
Rashin gazawar duniya na faruwa lokacin da masu amfani suka yi watsi da tsayin daka. Ƙarƙashin tebur mai ɗorewa zuwa firam ɗin ƙarfe na bakin ciki 6-mm? Yi tsammanin sag 0.18 mm a ƙarƙashin nauyin kilogiram 800. Dutsen shi zuwa tushe na tsari na 25-mm tare da kusoshi na M16 guda huɗu da aka murɗa zuwa 190 N·m? Juyawa ya faɗi zuwa 0.02 mm. Tebur ba ya karya - tsarin tallafi yana yi.
Modular vs. gyarawa: Wanne ke ba da ROI a cikin kwanaki 90?
Wasu suna jayayya cewa kayan aikin da aka gina na al'ada sun doke teburi na zamani akan daidaito. Amma mun bin diddigin shagunan matsakaicin girman 17 a cikin watanni 18. Waɗanda ke amfani da ƙayyadaddun jigs sun kai $4,200 a cikin raguwar shekara-shekara a kowace tasha-mafi yawa daga jinkirin sake tsarawa da tarkacen ajiya. Modular teburin waldi masu amfani sun kashe $1,100 akan sabunta kayan aiki kowace shekara kuma sun dawo da sa'o'i 11 / mako a cikin shirye-shirye da lokacin tsarawa.
Bambancin yana cikin daidaitawa. Tsarin tsari yana amfani da daidaitattun abubuwan da aka gyara: rails profile (20 × 20 mm, 30 × 30 mm, ko 40 × 40 mm aluminum extrusions), makullin kullewa tare da ± 0.02 mm maimaitawa, da masu saurin canzawa tare da fitilun ƙarfe (Ø6 mm, Ø8 mm, Ø10 mm). Kuna gina sabon kayan aiki a cikin ƙasa da mintuna 90-ba kwana uku ba.
Ga abin da ke aiki-kuma abin da ba ya aiki:
- Ayyuka: Amfani da Ø10 mm dowel fil don wuri na farko; Haɗa ƙwayayen T-slot tare da skru masu ƙarancin bayanan martaba (M6 × 12 mm) don guje wa tsangwama tare da hanyoyin tocina na mutum-mutumi.
- Ya kasa: Stacking uku yadudduka na adaftan faranti ba tare da recalibrating Z-axis datum; ta yin amfani da ƙuƙumman filastik akan ƙarfe mai zafi sama da 120 ° C
- An kau da kai: Ci gaban ƙasa-kowane matsa dole ne ya kiyaye ≤0.1 Ω juriya ga ƙasa tebur. Mun auna wannan tare da Fluke 1625-2 kafin ƙaddamarwa
Botou Haijun Metal Products Co., Ltd. yana zana teburinsa a kusa da waɗannan gaskiyar filin. Tun daga shekara ta 2010, injiniyoyinmu sun girka sama da raka'a 2,300 a fadin masu samar da motoci, masu kera kayan aikin noma, da wuraren gyaran motocin dogo-duk a cikin birnin Botou, lardin Hebei, inda yanayin yanayi ke sauyawa daga -15°C zuwa 42°C kowace shekara. Zaman lafiyar zafi ba na zaɓi ba ne. An gina shi a cikin ginshiƙin simintin ƙarfe da aka kawar da damuwa da kuma ramuwa na lissafi.
Shigarwa ba toshe-da-wasa bane-kuma wannan shine ma'anar
Kuna buƙatar siminti mai ɗorewa, ba shago mai ƙura mai ƙura ba. Mafi ƙarancin kauri: 150 mm. Tazarar juzu'i: ≤200 mm tsakiya zuwa tsakiya. Zurfin ƙulli: ≥180 mm cikin kankare da aka warke (ba kore zuba ba). Tsallake kowane mataki, kuma haƙurin 0.05 mm ya zama 0.4 mm a cikin watanni shida.
Muna buƙatar daidaitawar Laser yayin shigarwa na ƙarshe-ta amfani da Leica Geosystems LS15 rotary Laser, ba matakin ruhu ba. Me yasa? Domin nauyi bai damu da ƙungiyar haƙurin ku ba. Matsakaicin 0.1° a kan teburin 2,000 mm yana haifar da bambancin tsayin mm 3.5 a ƙarshen nisa. Wannan ya isa a yi kuskuren daidaita na'urar bin diddigin kabu.
Ƙarfi da ƙasa kuma suna da mahimmanci. Tebura na walda dole ne su ɗaure cikin tsarin ƙasa iri ɗaya da tushen wutar lantarki. Babu sanduna daban. Babu masu tsaka-tsaki da aka raba. Hanya ɗaya mai ci gaba - an tabbatar da megohmmeter a 500V DC. Muna tattara kowane karatun juriya a cikin rahoton ƙaddamarwa. Abokan ciniki waɗanda suka tsallake wannan suna ganin sawa da wuri akan jagororin layi da matsayar CNC mara kyau.
Botou Haijun yana ba da cikakken goyon bayan shigarwa-ba littattafai kawai ba. Masu fasahar mu suna ɗaukar makamai na CMM mai ɗaukar hoto don tabbatar da kwanciyar hankali bayan shigarwa. Haƙurin kwanciyar hankali shine ≤0.08 mm akan kowane yanki 1,000 × 1,000 mm. Idan ya gaza, muna daidaita shims ko sake hakowa-a kan rukunin yanar gizon.
Madaidaici ba sifa ba ce. Yana da tushe.
A teburin waldi baya sa walda ya fi karfi. Yana sa su iya tsinkaya. Yana juya bambance-bambancen girma zuwa madaidaicin sarrafawa-ba irin caca ba. Shagunan da ke kula da shi azaman kayan more rayuwa-ba kayan aiki ba-duba farashin tarkace ya ragu daga 4.7% zuwa 0.9% cikin ƙasa da watanni huɗu. Sun daina tambayar "Shin mun samu daidai?" kuma fara tambayar "Yaya sauri za mu iya sikelin?"
Wannan canjin yana farawa da zaɓin kayan abu (an rage damuwa EN-GJL-250 simintin ƙarfe, ba ƙarfe mai walƙiya ba), yana ci gaba da injin ƙirar ƙima (Ramin CNC-milled wanda aka riƙe zuwa ± 0.015 mm), kuma ya ƙare tare da tabbatarwa ta ainihi-ba ƙayyadaddun ƙayyadaddun lab ba. Botou Haijun Metal Products Co., Ltd. ya gina don filin shago, ba dakin nuni ba. Kowane tebur yana jigilar kaya tare da takardar shaidar daidaitawa, cikakkun bayanai dalla-dalla, da bayanan faɗaɗa zafi don yankin ku.
Makomar nasa ne na masana'antun da suka walda sau ɗaya-kuma sun sami daidai. Ba waɗanda suke walda, aunawa, niƙa, sake walda, da bege ba. Teburin daidaitawar ku na gaba bai kamata ya riƙe sassa ba. Ya kamata ya tabbatar da sakamako.
